Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is a front view of the display screen or portion thereof with graphical user interface of FIG. 1 in which a mobile terminal is provided in broken lines to illustrate an example environment.

The broken line showing of the mobile terminal, and the numbers and symbols, is included for the purpose of illustrating environmental structure and portions of the article, respectively, and forms no part of the claimed design. 

CLAIM I claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 